(19)

(11)

EP 2 494 792 A2

(12)

(88) Date of publication A3: 29.04.2010 (43) Date of publication: 05.09.2012 Bulletin 2012/36 (21) Application number: 09740161.6 (22) Date of filing: 27.10.2009

(51) International Patent Classification (IPC):  H04R 27/00(2006.01) (86) International application number: PCT/EP2009/064142 (87) International publication number: WO 2010/000878 (07.01.2010 Gazette 2010/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Phonak AG 8712 Stäfa (CH)	(72) Inventor: HARSCH, Samuel CH-1338 Ballaigues (CH) (74) Representative: Schwan - Schwan - Schorer  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)